a386
C programming library providing a virtual i386 running in protected mode.
url: a386.nocrew.org/
AccentC free scripting language library
Add scripting functionality into application. Features included: simple interface, built-in GUI, debugger, error handling.
url: www.geocities.com/accentc/
Better String Library
A safe and fast string library. It's buffer overflow and aliasing safe, high performance. The library includes a robust C++ wrapper that uses overloaded operators and rich constructors to make the CBstring struct a natural and powerful string abstraction.
url: bstring.sourceforge.net/
Cheap Threads
Open source C library implementing synchronous multithreading with prioritized scheduling and message passing.
url: home.swbell.net/mck9/ct/
Crusher Data Compression Toolkits
Cross-platform compression libraries. [Open source, Commercial]
url: www.dcmicro.com/crusher/
DateLib
A portable library for all kinds of date and time calculations, provides auto-analyzing date and time parsers.
url: www.datelib.de/index.shtml.en
diet libc
A small, static libc optimized for small size.
url: www.fefe.de/dietlibc/
The Dinkum C Library Reference
Large number of functions from the standard C library.
url: www.dinkumware.com/htm_cl/index.html
djblib
Source-file library derived from the many fine software packages written by D.J. Bernstein; collects files from various packages into a central repository from which code is easy to use in new programs.
url: www.superscript.com/djblib/intro.html
The Endpoint Library
Library for winsock applications.Currently only compatible with winsock v1.1.
url: tangentsoft.net/endpoint/
Fastdiff
A 'C' library and utilities for binary diffing two files or memory arrays. Very fast (hundreds of MB/sec), constant memory consumption and portable code. Source code and binary licenses available.
url: www.fastdiff.com/
FFTW Home Page
Fast free C FFT library; includes multi-dimensional, real-complex, and parallel transforms.
url: www.fftw.org/
Fingerprint Verification System
An easy to use library that allows programmers to integrate fingerprint technology into their software without specific know-how. Fast, easy to use, and small; great for embedded systems. [Open source, MPL]
url: fvs.sourceforge.net/
GNU Scientific Library
A free numerical library for C programmers. [Open source, GPL]
url: www.gnu.org/software/gsl/
Gopt
An ANSI C library, for parsing command line arguments and options according to GNU standards. [Open source, GPL]
url: www.ug-home.nottingham.ac.uk/~ppywtcv/gopt/
IRCG
A library for dispatching messages to huge groups of users over an arbitrary number of separate communication channels in real-time using IRC protocol. [Open source]
url: schumann.cx/ircg/
jclassinfo
Information extractor and disassembler for Java classes. Backend code available as a C library. [Open source, GPL]
url: jclassinfo.sourceforge.net/
libESMTP
Library for Posting Electronic Mail: manages posting email using SMTP to a preconfigured MTA. Can be used as part of a Mail User Agent or other program that must post email. Free: GNU LGPL.
url: www.stafford.uklinux.net/libesmtp/
libspopc
A simple pop3 client library to be used by MDAs and/or MUA. one of libspopc's purposes is to help non-network-aware C developers to host easily a pop3 mail client in their programs. However, libspopc provides also a classical socket-level API for those who prefer. [Open source, LGPL]
url: brouits.free.fr/libspopc/
libZI
A portable configuration file API that utilizes XML for data storage and retrieval. libZI provides a typesafe way of serializing configuration data into a file in a manner consistent to XML standards. [Open source, GPL]
url: libzi.sourceforge.net/
LZO
Portable high-speed lossless data compression library written in ANSI C.
url: www.oberhumer.com/opensource/lzo/
MAlib
C library for Media Analysis, Motion Analizing, Movie Architecture, and Media Authoring. [Open source, LGPL]
url: www.malib.net/
Matrix2D
A library implements a set of functions allowing to manage bi-dimensional matrix with languages C and C++. Matrix2D contains also several functions of images processing. [Free for personal use]
url: dev.tplanet.net/Matrix2D/
MyLibC
A glibc clon for windows.
url: mylibc.sourceforge.net/
Network Wrappers Library
An thread-safe, protocol independent UNIX networking API. [Open source, GPL]
url: libnwrap.sourceforge.net/
The Program Base Library
The library includes a memory hash table implementation, a key file implementation, and an ISAM file implementation. [Open Source, GPL]
url: mission.base.com/peter/source/
Sglib
A generic library for C. It extensively uses the preprocessor for generic implementation of sorting algorithms on arrays, lists, sorted lists, red-black trees. The library operates on user types and does not depend on a particular memory management system. [Open source]
url: www.xref-tech.com/sglib/
SoftC Database Library
A library of programming tools for programmers who want to develop their xBASE applications in C without the limitations of using one xBASE language. Provides functions to access data, index and memo files for dBASE, Clipper and FoxPro. Supports multi-user access using native locking methods. . By AM Research.
url: www.amr-usa.com/
Standard Function Library: SFL
By iMatix Corp., portable function library for C/C++ programs; many years development; written in ANSI C; ports: DOS, OpenVMS, OS/2, most Unix, Windows; full sources and documentation (HTML); given as Open Source software for the benefit of Internet community.
url: www.imatix.com/html/sfl/
Template2doc
Library that allow generation of html page using templates. A template contain specific keywords that tell the routines where to insert data. Support insertion of table data.
url: www.algonet.se/~thunberg/template2doc/
TLTools Library
A large collection of general purpose C functions: bit manipulation, parsing, multi-dimensional arrays, linked list manager, data table manager, matrix manipulation and math functions.
url: www.tltools.org/
ubiqx
A free and open source library of simple programming utilities (written in C), including linked lists, AVL and Splay balanced binary trees, a simple caching system, Sparse Arrays. [Open source, LGPL]
url: ubiqx.org/
uClibc
C library optimized for embedded systems. Free: GNU LGPL.
url: www.uclibc.org/
UniquE RAR File Library
The URARFileLib is a platform-independent, small and fast static library for decompressing RAR files (RAR archives are created with WinRAR). Full RAR v2.0 file format support of all compression methods, including multimedia compression and encoding.
url: www.unrarlib.org/
Vermont Views Plus
A C programming library for creating cross platform user interfaces across Unix, Linux, Posix, VMS, DOS and Windows.
url: www.vtsoft.com/products/vviews4.html
W3C Sample Code Library
A general-purpose Web API written in C
url: www.w3.org/Library/
WM_MOTIF
C library allows developers to port code from Windows to Unix or Linux systems. By Software Uno.
url: softwareuno.com/
xnprintf() family functions for C/C++
A small source file for 16/32/64-bit compilers. Provides snprintf() and others. [GPL or modified BSD license]
url: domainename.com/software/xnprintf.html
